/*

* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Implements observer class for backup events

*

*/

#ifndef CRCSEBACKUPOBSERVER_H

#define CRCSEBACKUPOBSERVER_H

#include <e32base.h>

#include <e32property.h>

class MRCSEBackupObserver;

/**

 *  Implements observer class for backup events.

 *

 *  @lib rcse.lib

 *  @since S60 3.0

 */

NONSHARABLE_CLASS( CRCSEBackupObserver ) : public CActive

{

public:

    static CRCSEBackupObserver* NewL( MRCSEBackupObserver& aObserver );

    ~CRCSEBackupObserver();

    /**

     * Return backup / restore status

     *

     * @since S60 3.0

     * @return ETrue if backup or restore is ongoing, else EFalse

     */

    TBool IsBackupOperationRunning();

protected:

    /**

     * From CActive.

     * Cancel.

     *

     * @since S60 3.0

     */

    void DoCancel();

    /**

     * From CActive.

     * Handle backup event notification.

     *

     * @since S60 3.0

     */

    void RunL();

private:

    CRCSEBackupObserver( MRCSEBackupObserver& aObserver );

    void ConstructL();

private:

    /**

     * Publish & Subscribe connection

     */

    RProperty       iBackupStatus;

    /**

     * Observer object

     */

    MRCSEBackupObserver& iObserver;

private:

    // For testing

    #ifdef TEST_EUNIT

        friend class UT_CRCSEBackupObserver;

    #endif                                  

};

#endif // CRCSEBACKUPOBSERVER_H